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当前位置: 首页 > 文章 > 几种楝科植物种核油对褐稻虱的拒食作用试验 昆虫学报 1983,26 (1) 1-9
Position: Home > Articles > EXPERIMENTS ON THE USE OF SEED OILS OF SOME MELIACEOUS PLANTS AS ANTIFEEDANTS IN BROWN PLANTHOPPER CONTROL Acta Entomologica Sinica 1983,26 (1) 1-9

几种楝科植物种核油对褐稻虱的拒食作用试验

作  者：
赵善欢;黄炳球;胡美英
单  位：
华南农学院植保系
摘  要：
某些楝科种核油对褐稻虱具有特殊的作用,它与常规的化学杀虫剂不同,并不直接杀死害虫,而是引起褐稻虱对使用种核油的水稻产生拒食或避忌,对褐稻虱重要天敌蜘蛛类并不伤害。
译  名：
EXPERIMENTS ON THE USE OF SEED OILS OF SOME MELIACEOUS PLANTS AS ANTIFEEDANTS IN BROWN PLANTHOPPER CONTROL
作  者：
CHIU SHIN-FOON HUANG BING-QIU HU MEI-YING(Department of Plant Protection, South China Agricultural College)
摘  要：
Experiments with neem (Azadirachta indica) seed oil and petroleum ether extracts of the seed kernels of Melia toosendan and M. azedarach in laboratory and green house showed their potentials as strong antifeedants in the control of nymphs of the brown planthopper (Nilaparvata lugens). The median antifeedant concentration (AFC50) for the second and tthird instar nymphs was determined to be 0.518% for neem oil, 0.519% for M. toosendan extract and 1.15% for M: azedarach extract. These plant materials also exhibited moderate to slight systemic properties in rice plants and contact insectlcidal action to the planthopper. The unique properties of the toxic principles from the seeds of Meliaceae as brown planthopper-repellents. and antifeedants, their low costs, local availability, safety to the environment and compatibility with the agroecosystem emphasize their potentials in the management of insects of rice.

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